Here's the schedule for the inaugural ceremony

9.a.m.
Former presidents, House of Representatives members, senators, governors and Cabinet designees begin to arrive

9:30 a.m.
Fifth-grade chorus from Public School 22 in Staten Island, New York performs

11:30 a.m.
Performance by the United States Marine Band

11:35 a.m.
Myrlie Evers-Williams, widow of slain civil-rights leader Medgar Evers, gives the invocation

11:38 a.m.
The Brooklyn (New York) Tabernacle Choir sings "The Battle Hymn of the Republic"

11:46 a.m.
Supreme Court Justice Sonia Sotomayor administers the vice presidential oath of office to Vice President Biden

11:55 a.m.
U.S. Chief Justice John Roberts administers the presidential oath of office to President Obama

12 p.m.
Obama delivers the inaugural address

12:34 p.m.
Singer Beyonce sings "The Star-Spangled Banner"

2:39 p.m.
President Obama signs official documents. The Obamas then attend the inauguration luncheon at the Capitol with the Bidens

2:36 p.m.
The Obamas and Bidens begin the inaugural parade down Pennsylvania Avenue to the White House

6:30 p.m.
Official Inaugural Ball, at the Washington Convention Center. The Obamas and Bidens are scheduled to attend.